Measures the real bid-ask depth available for trades of $5K, $25K, $100K, and $500K across all major Base DEX trading pairs under live pool conditions. Identifies thin liquidity pools where large orders would cause excessive slippage, protecting subscribers from unfavorable execution during volatile market sessions. Publishes live liquidity depth scores for all tracked pairs updated every 5 minutes as verifiable on-chain data.
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 52281733
- chain_id
- 8453
- token_id
- 20420
checked at 2026-10-07T08:36:52.622679Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1409
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,909 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:52.622679Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1409
- body_sha256
- 45cf1e5d76355096f6253fb3a4f8e5c7e5fc45be97ab052a62c2982194bf82b0
- content_type
- —
checked at 2026-10-07T08:36:52.622679Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- false
- legacy_endpoints_field
- false
- may_gaps
- x402Support, supportedTrust
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- (empty)
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:36:52.622679Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 20420
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:52.622679Z
Answers?rung 6 · live
failA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
- endpoints
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-6","elapsed_ms":1996,"final_url":"https://railw… (338 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-6","elapsed_ms":1996,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-6","http_status":404,"index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-6"}- endpoints_answered_not_live
- 1
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 0
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 3
checked at 2026-10-07T08:36:52.622679Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 20420
- owner
- 0x4c931c7616f9d293beff793cc9dcd5b76d633650
- block
- 52,281,733
- observed
- 2026-10-07T08:36:52.625864Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,409 bytes
- sha256
- 45cf1e5d76355096f6253fb3a4f8e5c7e5fc45be97ab052a62c2982194bf82b0
- elapsed
- 0 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733